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Finding the Fourth Proportional to 14,107.95, 21,162.99 and 4,748.00

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Solution

The fourth proportional to 14,107.95, 21,162.99 and 4,748.00 is: 7,122.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.95 : 21,162.99 = 4,748.00 : x
  2. Step 2: Convert to fraction form
    14,107.95/21,162.99 = 4,748.00/x
  3. Step 3: Cross multiply
    14,107.95x = 21,162.99 × 4,748.00
  4. Step 4: Simplify right side
    14,107.95x = 100,481,770.71
  5. Step 5: Solve for x
    x = 100,481,770.71/14,107.95
  6. Step 6: Final answer
    x = 7,122.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.